failed to run ["ssh" "-p" "48980" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255ftruncate: Invalid argument qemu-system-x86_64: warning: hub 0 is not connected to host network [ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 loop.max_loop=1 dummy_hcd.num=1 netrom.nr_ndevs=1 rose.rose_ndevs=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000005ffdcfff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000005ffdd000-0x000000005fffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x0000000060000000-0x00000000afffffff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fed1bfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000fed20000-0x00000000feffbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000ff000000-0x00000000fffbffff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] device reserved [ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] Hash pointers mode set to never. [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000 [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000011][ T0] kvm-clock: using sched offset of 2553469964 cycles [ 0.006111][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.031527][ T0] last_pfn = 0x5ffdd max_arch_pfn = 0x400000000 [ 0.037603][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.046426][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.060142][ T0] found SMP MP-table at [mem 0x000f5430-0x000f543f] [ 0.066232][ T0] Using GB pages for direct mapping [ 0.073855][ T0] ACPI: Early table checksum verification disabled [ 0.079864][ T0] ACPI: RSDP 0x00000000000F5270 000014 (v00 BOCHS ) [ 0.086063][ T0] ACPI: RSDT 0x000000005FFE25D7 000048 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.094868][ T0] ACPI: FACP 0x000000005FFE189E 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.103645][ T0] ACPI: DSDT 0x000000005FFDF040 00285E (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.112372][ T0] ACPI: FACS 0x000000005FFDF000 000040 [ 0.117392][ T0] ACPI: APIC 0x000000005FFE1992 000078 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.126179][ T0] ACPI: HPET 0x000000005FFE1A0A 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.134943][ T0] ACPI: SRAT 0x000000005FFE1A42 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.143442][ T0] ACPI: MCFG 0x000000005FFE1B22 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.152463][ T0] ACPI: DMAR 0x000000005FFE1B5E 0000D0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.162313][ T0] ACPI: SSDT 0x000000005FFE1C2E 0008A1 (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.172417][ T0] ACPI: NFIT 0x000000005FFE24CF 0000E0 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.182785][ T0] ACPI: WAET 0x000000005FFE25AF 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.193582][ T0] ACPI: Reserving FACP table memory at [mem 0x5ffe189e-0x5ffe1991] [ 0.202543][ T0] ACPI: Reserving DSDT table memory at [mem 0x5ffdf040-0x5ffe189d] [ 0.211018][ T0] ACPI: Reserving FACS table memory at [mem 0x5ffdf000-0x5ffdf03f] [ 0.219510][ T0] ACPI: Reserving APIC table memory at [mem 0x5ffe1992-0x5ffe1a09] [ 0.228002][ T0] ACPI: Reserving HPET table memory at [mem 0x5ffe1a0a-0x5ffe1a41] [ 0.235601][ T0] ACPI: Reserving SRAT table memory at [mem 0x5ffe1a42-0x5ffe1b21] [ 0.244004][ T0] ACPI: Reserving MCFG table memory at [mem 0x5ffe1b22-0x5ffe1b5d] [ 0.252048][ T0] ACPI: Reserving DMAR table memory at [mem 0x5ffe1b5e-0x5ffe1c2d] [ 0.260251][ T0] ACPI: Reserving SSDT table memory at [mem 0x5ffe1c2e-0x5ffe24ce] [ 0.269104][ T0] ACPI: Reserving NFIT table memory at [mem 0x5ffe24cf-0x5ffe25ae] [ 0.276712][ T0] ACPI: Reserving WAET table memory at [mem 0x5ffe25af-0x5ffe25d6] [ 0.284758][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.290993][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x5fffffff] [ 0.297506][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.304851][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x59fffffff] hotplug [ 0.312165][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0x5ffdcfff] -> [mem 0x00001000-0x5ffdcfff] [ 0.322917][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000030000fff] (768MB) [ 0.330495][ T0] Faking node 1 at [mem 0x0000000030001000-0x000000005ffdcfff] (767MB) [ 0.337952][ T0] NODE_DATA(0) allocated [mem 0x2fffb400-0x30000fff] [ 0.345678][ T0] NODE_DATA(1) allocated [mem 0x5ffd6400-0x5ffdbfff] [ 0.448424][ T0] KernelAddressSanitizer initialized (generic) [ 0.462214][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.466380][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.472738][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.492408][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.500055][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.506861][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.513307][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.520279][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.527115][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.533663][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.542235][ T0] TSC deadline timer available [ 0.547005][ T0] CPU topo: Max. logical packages: 1 [ 0.552395][ T0] CPU topo: Max. logical nodes: 1 [ 0.558018][ T0] CPU topo: Num. nodes per package: 1 [ 0.562916][ T0] CPU topo: Max. logical dies: 1 [ 0.567666][ T0] CPU topo: Max. dies per package: 1 [ 0.572500][ T0] CPU topo: Max. threads per core: 1 [ 0.577375][ T0] CPU topo: Num. cores per package: 1 [ 0.582315][ T0] CPU topo: Num. threads per package: 1 [ 0.587301][ T0] CPU topo: Allowing 1 present CPUs plus 0 hotplug CPUs [ 0.594552][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.606458][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.614090][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.622019][ T0] [gap 0x60000000-0xafffffff] available for PCI devices [ 0.628220][ T0] Booting paravirtualized kernel on KVM [ 0.635318][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.745072][ T0] Zone ranges: [ 0.748068][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.754682][ T0] DMA32 [mem 0x0000000001000000-0x000000005ffdcfff] [ 0.761489][ T0] Normal empty [ 0.764753][ T0] Device empty [ 0.768006][ T0] Movable zone start for each node [ 0.773080][ T0] Early memory node ranges [ 0.777065][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.783437][ T0] node 0: [mem 0x0000000000100000-0x0000000030000fff] [ 0.790389][ T0] node 1: [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.796808][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000030000fff] [ 0.804010][ T0] Initmem setup node 1 [mem 0x0000000030001000-0x000000005ffdcfff] [ 0.811493][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.817912][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.851821][ T0] On node 1, zone DMA32: 35 pages in unavailable ranges [ 0.858438][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:2 [ 0.868466][ T0] percpu: Embedded 71 pages/cpu s250120 r8192 d32504 u2097152 [ 0.880543][ T0] kvm-guest: PV spinlocks disabled, single CPU [ 0.887476][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 \ [ 0.995804][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1 loop.max_loop=1 dummy_hcd.num=1 netrom.nr_ndevs=1 rose.rose_ndevs=1 [ 1.026428][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 1.036351][ T0] random: crng init done [ 1.040413][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 1.048939][ T0] software IO TLB: area num 1. [ 1.099277][ T0] Fallback order for Node 0: 0 1 [ 1.099304][ T0] Fallback order for Node 1: 1 0 [ 1.099319][ T0] Built 2 zonelists, mobility grouping on. Total pages: 393083 [ 1.112984][ T0] Policy zone: DMA32 [ 1.116742][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 1.122425][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 1.128235][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 1.140550][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.268026][ T0] ********************************************************** [ 1.273613][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.279237][ T0] ** ** [ 1.284648][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.290185][ T0] ** via the console, logs, and other interfaces. This ** [ 1.295592][ T0] ** might reduce the security of your system. ** [ 1.301076][ T0] ** ** [ 1.306672][ T0] ** If you see this message and you are not debugging ** [ 1.312021][ T0] ** the kernel, report this immediately to your system ** [ 1.317568][ T0] ** administrator! ** [ 1.323049][ T0] ** ** [ 1.328344][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.333868][ T0] ** ** [ 1.339166][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.344870][ T0] ********************************************************** [ 1.354256][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=2 [ 1.396025][ T0] allocated 31457280 bytes of page_ext [ 1.400222][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.414314][ T0] Node 0, zone DMA32: page owner found early allocated 4596 pages [ 1.423305][ T0] Node 1, zone DMA32: page owner found early allocated 3207 pages [ 1.433892][ T0] Dynamic Preempt: full [ 1.438866][ T0] Running RCU self tests [ 1.442247][ T0] Running RCU synchronous self tests [ 1.446189][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.451418][ T0] rcu: RCU lockdep checking is enabled. [ 1.455901][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1. [ 1.461489][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.467390][ T0] rcu: RCU debug extended QS entry/exit. [ 1.471670][ T0] All grace periods are expedited (rcu_expedited). [ 1.477029][ T0] Trampoline variant of Tasks RCU enabled. [ 1.481448][ T0] Tracing variant of Tasks RCU enabled. [ 1.485676][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.492328][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 1.497700][ T0] Running RCU synchronous self tests [ 1.509347][ T0] RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 1.656060][ T0] NR_IRQS: 4352, nr_irqs: 256, preallocated irqs: 16 [ 1.662665][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.668504][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88805b200000-0xffff88805b400000 [ 1.709370][ T0] Console: colour VGA+ 80x25 [ 1.713323][ T0] printk: legacy console [ttyS0] enabled [ 1.713323][ T0] printk: legacy console [ttyS0] enabled [ 1.721550][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.721550][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.730745][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.737235][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.740512][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.743923][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.747763][ T0] ... CLASSHASH_SIZE: 4096 [ 1.751632][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.755022][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.758664][ T0] ... CHAINHASH_SIZE: 524288 [ 1.762546][ T0] memory used by lock dependency info: 106625 kB [ 1.766838][ T0] memory used for stack traces: 8320 kB [ 1.770794][ T0] per task-struct memory footprint: 1920 bytes [ 1.775615][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.783772][ T0] ACPI: Core revision 20251212 [ 1.788751][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 1.796357][ T0] APIC: Switch to symmetric I/O mode setup [ 1.800098][ T0] DMAR: Host address width 48 [ 1.803289][ T0] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.808472][ T0] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap d2008c222f0606 ecap f00f5e [ 1.814176][ T0] DMAR: ATSR flags: 0x1 [ 1.817268][ T0] DMAR-IR: IOAPIC id 0 under DRHD base 0xfed90000 IOMMU 0 [ 1.822310][ T0] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 1.835794][ T0] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 1.839992][ T0] x2apic enabled [ 1.844216][ T0] APIC: Switched APIC routing to: cluster x2apic [ 1.866527][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 1.871870][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980) [ 1.883148][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.889101][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.891647][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.896357][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 1.901650][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.911646][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.916521][ T0] RETBleed: Mitigation: Enhanced IBRS [ 1.921645][ T0] ITS: Mitigation: Aligned branch/return thunks [ 1.926060][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.931648][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 1.937760][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.941649][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks! [ 1.951668][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.956973][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.961677][ T0] active return thunk: its_return_thunk [ 1.965899][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.971924][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.981650][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.986204][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.991648][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.995902][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 2.000527][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 2.001649][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.005957][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 2.011649][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 2.016040][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 2.021648][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [ 2.336260][ T0] Freeing SMP alternatives memory: 136K [ 2.339704][ T0] pid_max: default: 32768 minimum: 301 [ 2.342601][ T0] landlock: Up and running. [ 2.353544][ T0] Yama: becoming mindful. [ 2.366720][ T0] TOMOYO Linux initialized [ 2.372711][ T0] AppArmor: AppArmor initialized [ 2.377000][ T0] LSM support for eBPF active [ 2.383487][ T0] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.389424][ T0] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 2.391917][ T0] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.397649][ T0] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, vmalloc) [ 2.403333][ T0] VFS: Finished mounting rootfs on nullfs [ 2.416204][ T0] Running RCU synchronous self tests [ 2.419524][ T0] Running RCU synchronous self tests [ 2.542005][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 2.551637][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only. [ 2.551921][ T1] signal: max sigframe size: 3632 [ 2.562005][ T1] rcu: Hierarchical SRCU implementation. [ 2.565632][ T1] rcu: Max phase no-delay instances is 1000. [ 2.618575][ T1] smp: Bringing up secondary CPUs ... [ 2.621852][ T1] smp: Brought up 2 nodes, 1 CPU [ 2.624838][ T1] smpboot: Total of 1 processors activated (5599.99 BogoMIPS) [ 2.630289][ T1] Memory: 752464K/1572332K available (175366K kernel code, 29945K rwdata, 40548K rodata, 26672K init, 120768K bss, 777332K reserved, 0K cma-reserved) [ 2.643354][ T1] devtmpfs: initialized [ 2.647661][ T1] x86/mm: Memory block size: 128MB [ 2.677322][ T1] Running RCU synchronous self tests [ 2.680969][ T1] Running RCU synchronous self tests [ 2.682010][ T1] Running RCU Tasks wait API self tests [ 2.791815][ T1] Running RCU Tasks Trace wait API self tests [ 2.802918][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.810305][ T1] posixtimers hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 2.811709][ T1] futex hash table entries: 128 (16384 bytes on 2 NUMA nodes, total 32 KiB, linear). [ 2.826322][ T1] PM: RTC time: 16:51:24, date: 2026-03-19 [ 2.838926][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.841736][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.849902][ T1] audit: initializing netlink subsys (disabled) [ 2.852571][ T24] audit: type=2000 audit(1773939084.415:1): state=initialized audit_enabled=0 res=1 [ 2.864485][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.864696][ T1] cpuidle: using governor menu [ 2.872061][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.881975][ T1] dca service started, version 1.12.1 [ 2.885519][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 2.891661][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 2.974310][ T1] PCI: Using configuration type 1 for base access [ 2.993486][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 2.997823][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.011665][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.016624][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.021887][ T23] Callback from call_rcu_tasks() invoked. [ 3.051259][ T1] raid6: skipped pq benchmark and selected avx512x4 [ 3.061651][ T1] raid6: using avx512x2 recovery algorithm [ 3.066958][ T1] ACPI: Added _OSI(Module Device) [ 3.070495][ T1] ACPI: Added _OSI(Processor Device) [ 3.081691][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.305329][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.344391][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.367334][ T1] ACPI: Interpreter enabled [ 3.370466][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.381690][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.385933][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.401655][ T1] PCI: Using E820 reservations for host bridge windows [ 3.410247][ T1] ACPI: Enabled 4 GPEs in block 00 to 3F [ 3.851331][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.861704][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 3.882137][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 3.903002][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 3.910032][ T1] PCI host bridge to bus 0000:00 [ 3.921656][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.926621][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.941837][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.946802][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.961676][ T1] pci_bus 0000:00: root bus resource [mem 0x60000000-0xafffffff window] [ 3.967092][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.981676][ T1] pci_bus 0000:00: root bus resource [mem 0x5c0000000-0xdbfffffff window] [ 3.986752][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.001864][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 4.024929][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 4.044612][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfc000000-0xfc7fffff pref] [ 4.049542][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref] [ 4.061721][ T1] pci 0000:00:01.0: BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 4.066383][ T1] pci 0000:00:01.0: ROM [mem 0xfeae0000-0xfeaeffff pref] [ 4.072368][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.095824][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 4.117359][ T1] pci 0000:00:02.0: BAR 0 [mem 0xfea80000-0xfea9ffff] [ 4.131731][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 4.136630][ T1] pci 0000:00:02.0: BAR 2 [io 0xc080-0xc09f] [ 4.140692][ T1] pci 0000:00:02.0: BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 4.151804][ T1] pci 0000:00:02.0: ROM [mem 0xfea00000-0xfea3ffff pref] [ 4.156092][ T1] pci 0000:00:02.0: enabling Extended Tags [ 4.188269][ T1] pci 0000:00:03.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.207601][ T1] pci 0000:00:03.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.221725][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfeaf5000-0xfeaf5fff] [ 4.225889][ T1] pci 0000:00:03.0: BAR 4 [mem 0xfca04000-0xfca07fff 64bit pref] [ 4.249093][ T1] pci 0000:00:04.0: [8086:3420] type 01 class 0x060400 PCIe Root Port [ 4.265155][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 4.268955][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 4.283222][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 4.288767][ T1] pci 0000:00:04.0: enabling Extended Tags [ 4.309474][ T1] pci 0000:00:05.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 4.326778][ T1] pci 0000:00:05.0: BAR 0 [io 0xc0c0-0xc0df] [ 4.331242][ T1] pci 0000:00:05.0: BAR 1 [mem 0xfeaf6000-0xfeaf6fff] [ 4.341853][ T1] pci 0000:00:05.0: BAR 4 [mem 0xfca08000-0xfca0bfff 64bit pref] [ 4.364545][ T1] pci 0000:00:06.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 4.384210][ T1] pci 0000:00:06.0: BAR 0 [mem 0xfeac0000-0xfeadffff] [ 4.388899][ T1] pci 0000:00:06.0: BAR 1 [io 0xc000-0xc03f] [ 4.401927][ T1] pci 0000:00:06.0: ROM [mem 0xfea40000-0xfea7ffff pref] [ 4.411462][ T1] pci 0000:00:07.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 4.428390][ T1] pci 0000:00:07.0: BAR 0 [mem 0xfeaf7000-0xfeaf70ff] [ 4.441775][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfeaf8000-0xfeaf8fff] [ 4.447098][ T1] pci 0000:00:07.0: BAR 2 [mem 0xfca0c000-0xfca0cfff 64bit pref] [ 4.467684][ T1] pci 0000:00:08.0: [1af4:1110] type 00 class 0x050000 conventional PCI endpoint [ 4.487432][ T1] pci 0000:00:08.0: BAR 0 [mem 0xfeaf9000-0xfeaf90ff] [ 4.501955][ T1] pci 0000:00:08.0: BAR 2 [mem 0xfa000000-0xfbffffff 64bit pref] [ 4.524060][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 conventional PCI endpoint [ 4.542905][ T1] pci 0000:00:1d.0: BAR 4 [io 0xc0e0-0xc0ff] [ 4.551322][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 conventional PCI endpoint [ 4.565328][ T1] pci 0000:00:1d.1: BAR 4 [io 0xc100-0xc11f] [ 4.586618][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 conventional PCI endpoint [ 4.605463][ T1] pci 0000:00:1d.2: BAR 4 [io 0xc120-0xc13f] [ 4.623106][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 conventional PCI endpoint [ 4.642416][ T1] pci 0000:00:1d.7: BAR 0 [mem 0xfeafa000-0xfeafafff] [ 4.664478][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 4.684458][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 4.701991][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x390 took 19531 usecs [ 4.724890][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 4.745679][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc140-0xc15f] [ 4.749775][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfeafb000-0xfeafbfff] [ 4.766803][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 4.785505][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 4.807304][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 4.871542][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.886264][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.905904][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.924791][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.943386][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 4.962265][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 4.971317][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 4.986012][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 4.991465][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 5.002244][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 5.007197][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 5.022139][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 5.027058][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 5.042487][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 5.047851][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 5.062120][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 5.105452][ T1] iommu: Default domain type: Translated [ 5.109421][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 5.127423][ T1] SCSI subsystem initialized [ 5.143409][ T1] ACPI: bus type USB registered [ 5.147344][ T1] usbcore: registered new interface driver usbfs [ 5.161822][ T1] usbcore: registered new interface driver hub [ 5.166107][ T1] usbcore: registered new device driver usb [ 5.182194][ T1] mc: Linux media interface: v0.10 [ 5.186019][ T1] videodev: Linux video capture interface: v2.00 [ 5.191332][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.201665][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 5.208356][ T1] PTP clock support registered [ 5.222742][ T1] EDAC MC: Ver: 3.0.0 [ 5.236805][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.256792][ T1] Bluetooth: Core ver 2.22 [ 5.259845][ T1] NET: Registered PF_BLUETOOTH protocol family [ 5.271654][ T1] Bluetooth: HCI device and connection manager initialized [ 5.276398][ T1] Bluetooth: HCI socket layer initialized [ 5.280387][ T1] Bluetooth: L2CAP socket layer initialized [ 5.291964][ T1] Bluetooth: SCO socket layer initialized [ 5.296161][ T1] NET: Registered PF_ATMPVC protocol family [ 5.299767][ T1] NET: Registered PF_ATMSVC protocol family [ 5.311935][ T1] NetLabel: Initializing [ 5.314786][ T1] NetLabel: domain hash size = 128 [ 5.318163][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.332086][ T1] NetLabel: unlabeled traffic allowed by default [ 5.342653][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.346313][ T1] NET: Registered PF_NFC protocol family [ 5.350245][ T1] mctp: management component transport protocol core [ 5.361657][ T1] NET: Registered PF_MCTP protocol family [ 5.365998][ T1] PCI: Using ACPI for IRQ routing [ 6.346601][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 6.362431][ T1] e820: register RAM buffer resource [mem 0x5ffdd000-0x5fffffff] [ 6.381984][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 6.386945][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 6.391637][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 6.401677][ T1] vgaarb: loaded [ 6.408871][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 6.421649][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 6.432842][ T1] clocksource: Switched to clocksource kvm-clock [ 6.457504][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.461168][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.478690][ T1] netfs: FS-Cache loaded [ 6.493983][ T1] CacheFiles: Loaded [ 6.497492][ T1] TOMOYO: 2.6.0 [ 6.499931][ T1] Mandatory Access Control activated. [ 6.518112][ T1] AppArmor: AppArmor Filesystem Enabled [ 6.522429][ T1] acpi PNP0C01:00: Reserved [mem 0xb0000000-0xbfffffff] [ 6.544254][ T1] pnp: PnP ACPI init [ 6.604986][ T1] pnp: PnP ACPI: found 5 devices [ 6.713600][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 6.735130][ T1] NET: Registered PF_INET protocol family [ 6.754119][ T1] IP idents hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 6.784041][ T1] tcp_listen_portaddr_hash hash table entries: 512 (order: 4, 36864 bytes, vmalloc) [ 6.791255][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 6.814388][ T1] TCP established hash table entries: 8192 (order: 4, 65536 bytes, vmalloc) [ 6.821541][ T1] TCP bind hash table entries: 8192 (order: 9, 1179648 bytes, vmalloc) [ 6.834269][ T1] TCP: Hash tables configured (established 8192 bind 8192) [ 6.840800][ T1] MPTCP token hash table entries: 1024 (order: 5, 90112 bytes, vmalloc) [ 6.864340][ T1] UDP hash table entries: 512 (order: 5, 131072 bytes, vmalloc) [ 6.870219][ T1] UDP-Lite hash table entries: 512 (order: 5, 131072 bytes, vmalloc) [ 6.884702][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 6.906147][ T1] RPC: Registered named UNIX socket transport module. [ 6.910841][ T1] RPC: Registered udp transport module. [ 6.923932][ T1] RPC: Registered tcp transport module. [ 6.928094][ T1] RPC: Registered tcp-with-tls transport module. [ 6.932523][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 6.956450][ T1] NET: Registered PF_XDP protocol family [ 6.960868][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 6.983866][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff]: assigned [ 6.989525][ T1] pci 0000:00:04.0: PCI bridge to [bus 01] [ 6.993643][ T1] pci 0000:00:04.0: bridge window [io 0x1000-0x1fff] [ 7.016217][ T1] pci 0000:00:04.0: bridge window [mem 0xfe800000-0xfe9fffff] [ 7.023292][ T1] pci 0000:00:04.0: bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.046542][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 7.051667][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 7.073821][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 7.080973][ T1] pci_bus 0000:00: resource 7 [mem 0x60000000-0xafffffff window] [ 7.103774][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 7.109241][ T1] pci_bus 0000:00: resource 9 [mem 0x5c0000000-0xdbfffffff window] [ 7.143798][ T1] pci_bus 0000:01: resource 0 [io 0x1000-0x1fff] [ 7.148508][ T1] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff] [ 7.153538][ T1] pci_bus 0000:01: resource 2 [mem 0xfc800000-0xfc9fffff 64bit pref] [ 7.236506][ T1] ACPI: \_SB_.GSIA: Enabled at IRQ 16 [ 7.314704][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x1830 took 135166 usecs [ 7.382202][ T1] ACPI: \_SB_.GSIB: Enabled at IRQ 17 [ 7.469069][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x1830 took 144795 usecs [ 7.547705][ T1] ACPI: \_SB_.GSIC: Enabled at IRQ 18 [ 7.613403][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x1830 took 124744 usecs [ 7.695301][ T1] ACPI: \_SB_.GSID: Enabled at IRQ 19 [ 7.762501][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x1830 took 125429 usecs [ 7.784111][ T1] PCI: CLS 0 bytes, default 64 [ 7.804157][ T1] DMAR: No RMRR found [ 7.807188][ T1] DMAR: No SATC found [ 7.810309][ T1] DMAR: dmar0: Using Queued invalidation [ 7.827960][ T52] kworker/u4:3 (52) used greatest stack depth: 27240 bytes left [ 7.834498][ T1] pci 0000:00:00.0: Adding to iommu group 0 [ 7.839737][ T1] pci 0000:00:01.0: Adding to iommu group 1 [ 7.854231][ T1] pci 0000:00:02.0: Adding to iommu group 2 [ 7.859613][ T1] pci 0000:00:03.0: Adding to iommu group 3 [ 7.874372][ T1] pci 0000:00:04.0: Adding to iommu group 4 [ 7.878884][ T1] pci 0000:00:05.0: Adding to iommu group 5 [ 7.883411][ T1] pci 0000:00:06.0: Adding to iommu group 6 [ 7.904196][ T1] pci 0000:00:07.0: Adding to iommu group 7 [ 7.908658][ T1] pci 0000:00:08.0: Adding to iommu group 8 [ 7.913268][ T1] pci 0000:00:1d.0: Adding to iommu group 9 [ 7.934069][ T1] pci 0000:00:1d.1: Adding to iommu group 9 [ 7.938730][ T1] pci 0000:00:1d.2: Adding to iommu group 9 [ 7.943018][ T1] pci 0000:00:1d.7: Adding to iommu group 9 [ 7.964310][ T1] pci 0000:00:1f.0: Adding to iommu group 10 [ 7.969124][ T1] pci 0000:00:1f.2: Adding to iommu group 10 [ 7.973617][ T1] pci 0000:00:1f.3: Adding to iommu group 10 [ 8.123772][ T1] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 8.129941][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.143773][ T1] software IO TLB: mapped [mem 0x000000005b400000-0x000000005f400000] (64MB) [ 8.163983][ T1] ACPI: bus type thunderbolt registered [ 8.175855][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.182625][ T1] no MSR PMU driver. [ 8.225223][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 8.238736][ T61] kworker/u4:3 (61) used greatest stack depth: 26808 bytes left [ 8.275763][ T1] Initialise system trusted keyrings [ 8.287109][ T1] workingset: timestamp_bits=40 max_order=18 bucket_order=0 [ 8.315749][ T1] DLM installed [ 8.335673][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 8.357549][ T1] NFS: Registering the id_resolver key type [ 8.361852][ T1] Key type id_resolver registered [ 8.373846][ T1] Key type id_legacy registered [ 8.377523][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 8.383697][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 8.424047][ T1] Key type cifs.spnego registered [ 8.428367][ T1] Key type cifs.idmap registered [ 8.445608][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 8.449775][ T1] ntfs3: Read-only LZX/Xpress compression included [ 8.464389][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 8.468724][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 8.490351][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 8.504022][ T1] QNX4 filesystem 0.2.3 registered. [ 8.507825][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 8.524675][ T1] fuse: init (API version 7.45) [ 8.537600][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 8.554023][ T1] orangefs_init: module version upstream loaded [ 8.559193][ T1] JFS: nTxBlock = 6210, nTxLock = 49687 [ 8.584950][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 8.606575][ T1] 9p: Installing v9fs 9p2000 file system support [ 8.611639][ T1] NILFS version 2 loaded [ 8.623832][ T1] befs: version: 0.9.3 [ 8.627430][ T1] ocfs2: Registered cluster interface o2cb [ 8.643961][ T1] ocfs2: Registered cluster interface user [ 8.650354][ T1] OCFS2 User DLM kernel interface loaded [ 8.692267][ T1] gfs2: GFS2 installed [ 8.728798][ T1] ceph: loaded (mds proto 32) [ 8.749360][ T1] cryptd: max_cpu_qlen set to 1000 [ 8.808512][ T1] NET: Registered PF_ALG protocol family [ 8.813302][ T1] xor: automatically using best checksumming function avx [ 8.833986][ T1] async_tx: api initialized (async) [ 8.837818][ T1] Key type asymmetric registered [ 8.841224][ T1] Asymmetric key parser 'x509' registered [ 8.853783][ T1] Asymmetric key parser 'pkcs8' registered [ 8.857892][ T1] Key type pkcs7_test registered [ 8.873859][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 8.884781][ T1] io scheduler mq-deadline registered [ 8.888691][ T1] io scheduler kyber registered [ 8.892617][ T1] io scheduler bfq registered [ 8.999193][ T1] ACPI: \_SB_.GSIE: Enabled at IRQ 20 [ 9.035054][ T1] pcieport 0000:00:04.0: PME: Signaling with IRQ 25 [ 9.057914][ T1] pcieport 0000:00:04.0: AER: enabled with IRQ 26 [ 9.079385][ T1] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 9.096206][ T1] ACPI: button: Power Button [PWRF] [ 9.957570][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 10.018889][ T1] ACPI: \_SB_.GSIF: Enabled at IRQ 21 [ 10.074410][ T1] ACPI: \_SB_.GSIH: Enabled at IRQ 23 [ 10.416027][ T473] kworker/u4:0 (473) used greatest stack depth: 24672 bytes left [ 10.613500][ T1] N_HDLC line discipline registered with maxframe=4096 [ 10.619826][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 10.628491][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 10.673552][ T1] Non-volatile memory driver v1.3 [ 10.686687][ T1] Linux agpgart interface v0.103 [ 10.692094][ T1] usbcore: registered new interface driver xillyusb [ 10.705227][ T1] ACPI: bus type drm_connector registered [ 10.713357][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0 [ 10.761259][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1 [ 10.882304][ T1] Console: switching to colour frame buffer device 128x48 [ 10.969012][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 10.976392][ T1] usbcore: registered new interface driver udl [ 10.981511][ T1] [drm] pci: virtio-vga detected at 0000:00:01.0 [ 10.987065][ T1] virtio-pci 0000:00:01.0: vgaarb: deactivate vga console [ 10.992422][ T1] [drm] features: -virgl +edid -resource_blob -host_visible [ 10.992434][ T1] [drm] features: -context_init [ 11.002921][ T1] [drm] number of scanouts: 1 [ 11.002955][ T1] [drm] number of cap sets: 0 [ 11.016682][ T1] [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 [ 11.042573][ T1] fbcon: virtio_gpudrmfb (fb1) is primary device [ 11.042584][ T1] fbcon: Remapping primary device, fb1, to tty 1-63 [ 286.454053][ T25] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 286.454263][ T25] Not tainted syzkaller #0 [ 286.454269][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.454274][ T25] task:swapper/0 state:D stack:19832 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00080000 [ 286.454308][ T25] Call Trace: [ 286.454321][ T25] [ 286.454331][ T25] __schedule+0x15dd/0x52d0 [ 286.454481][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 286.454501][ T25] ? __pfx___schedule+0x10/0x10 [ 286.454523][ T25] ? schedule+0x90/0x360 [ 286.454539][ T25] schedule+0x164/0x360 [ 286.454556][ T25] schedule_preempt_disabled+0x13/0x30 [ 286.454567][ T25] __ww_mutex_lock+0x11f4/0x2a20 [ 286.454604][ T25] ? __ww_mutex_lock+0xe3b/0x2a20 [ 286.454620][ T25] ? modeset_lock+0x2be/0x640 [ 286.454670][ T25] ? __pfx___ww_mutex_lock+0x10/0x10 [ 286.454681][ T25] ? ret_from_fork_asm+0x1a/0x30 [ 286.454709][ T25] ? modeset_lock+0x2b3/0x640 [ 286.454725][ T25] ww_mutex_lock+0x3f/0x1c0 [ 286.454738][ T25] modeset_lock+0x2be/0x640 [ 286.454763][ T25] drm_atomic_get_plane_state+0x1e5/0x670 [ 286.454785][ T25] drm_client_modeset_commit_atomic+0x227/0x7e0 [ 286.454798][ T25] ? trace_contention_end+0x3d/0x150 [ 286.454820][ T25] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 286.454842][ T25] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 286.454856][ T25] ? queue_work_on+0x159/0x1d0 [ 286.454874][ T25] drm_client_modeset_commit_locked+0xcb/0x4d0 [ 286.454887][ T25] drm_fb_helper_pan_display+0x3e7/0xbd0 [ 286.454914][ T25] fb_pan_display+0x39e/0x680 [ 286.454927][ T25] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 286.454943][ T25] bit_update_start+0x4c/0x1e0 [ 286.454959][ T25] fbcon_switch+0x127e/0x2040 [ 286.454977][ T25] ? __pfx_fbcon_switch+0x10/0x10 [ 286.454997][ T25] ? __pfx_hide_cursor+0x10/0x10 [ 286.455012][ T25] ? is_console_locked+0x9/0x20 [ 286.455024][ T25] ? set_origin+0x346/0x480 [ 286.455053][ T25] redraw_screen+0x586/0xec0 [ 286.455070][ T25] ? __pfx_bit_clear_margins+0x10/0x10 [ 286.455083][ T25] ? __pfx_redraw_screen+0x10/0x10 [ 286.455101][ T25] fbcon_prepare_logo+0xa31/0xe00 [ 286.455116][ T25] ? is_console_locked+0x9/0x20 [ 286.455125][ T25] ? con_is_bound+0x15e/0x1f0 [ 286.455139][ T25] set_con2fb_map+0xa32/0xfc0 [ 286.455161][ T25] fbcon_fb_registered+0x24e/0x610 [ 286.455180][ T25] register_framebuffer+0x738/0x8d0 [ 286.455193][ T25] ? __pfx_register_framebuffer+0x10/0x10 [ 286.455211][ T25] ? __drm_fb_helper_initial_config_and_unlock+0x146a/0x1b90 [ 286.455229][ T25] __drm_fb_helper_initial_config_and_unlock+0x14f1/0x1b90 [ 286.455258][ T25] ? __pfx___drm_fb_helper_initial_config_and_unlock+0x10/0x10 [ 286.455274][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 286.455293][ T25] drm_fbdev_client_hotplug+0x16c/0x230 [ 286.455311][ T25] drm_client_register+0x172/0x210 [ 286.455331][ T25] drm_fbdev_client_setup+0x1a0/0x3f0 [ 286.455344][ T25] ? drm_client_setup+0xb0/0x220 [ 286.455357][ T25] drm_client_setup+0x107/0x220 [ 286.455374][ T25] virtio_gpu_probe+0x23a/0x2a0 [ 286.455391][ T25] virtio_dev_probe+0xd93/0x1050 [ 286.455403][ T25] ? up_write+0x1ab/0x410 [ 286.455419][ T25] ? __pfx_virtio_dev_probe+0x10/0x10 [ 286.455439][ T25] ? driver_sysfs_add+0x1fe/0x210 [ 286.455453][ T25] ? __pfx_virtio_dev_probe+0x10/0x10 [ 286.455465][ T25] really_probe+0x267/0xaf0 [ 286.455480][ T25] __driver_probe_device+0x18c/0x320 [ 286.455494][ T25] driver_probe_device+0x4f/0x240 [ 286.455509][ T25] __driver_attach+0x349/0x640 [ 286.455523][ T25] bus_for_each_dev+0x23b/0x2c0 [ 286.455540][ T25] ? __pfx___driver_attach+0x10/0x10 [ 286.455553][ T25] ? __pfx_bus_for_each_dev+0x10/0x10 [ 286.455569][ T25] ? do_raw_spin_unlock+0x4d/0x210 [ 286.455582][ T25] bus_add_driver+0x345/0x670 [ 286.455602][ T25] driver_register+0x23a/0x320 [ 286.455616][ T25] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 286.455631][ T25] virtio_gpu_driver_init+0x96/0x110 [ 286.455655][ T25] do_one_initcall+0x250/0x8d0 [ 286.455688][ T25] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 286.455701][ T25] ? __pfx_do_one_initcall+0x10/0x10 [ 286.455715][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.455725][ T25] ? __pfx___schedule+0x10/0x10 [ 286.455751][ T25] ? irqentry_exit+0x59e/0x620 [ 286.455763][ T25] ? lockdep_hardirqs_on+0x7a/0x110 [ 286.455775][ T25] ? irqentry_exit+0x59e/0x620 [ 286.455784][ T25] ? trace_irq_disable+0x3b/0x150 [ 286.455811][ T25] ? strlen+0x2e/0x70 [ 286.455824][ T25] ? next_arg+0x498/0x5e0 [ 286.455836][ T25] ? parameq+0x14d/0x170 [ 286.455852][ T25] ? parse_args+0x9fc/0xb00 [ 286.455871][ T25] ? trace_kmalloc+0x2a/0x110 [ 286.455890][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.455909][ T25] do_initcall_level+0x104/0x190 [ 286.455926][ T25] ? kernel_init+0x1d/0x1d0 [ 286.455939][ T25] do_initcalls+0x59/0xa0 [ 286.455953][ T25] kernel_init_freeable+0x2a6/0x3e0 [ 286.455968][ T25] ? __pfx_kernel_init+0x10/0x10 [ 286.455983][ T25] kernel_init+0x1d/0x1d0 [ 286.455995][ T25] ? __pfx_kernel_init+0x10/0x10 [ 286.456006][ T25] ret_from_fork+0x51e/0xb90 [ 286.456025][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.456046][ T25] ? __switch_to+0xc7d/0x1450 [ 286.456060][ T25] ? __pfx_kernel_init+0x10/0x10 [ 286.456074][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.456099][ T25] [ 286.456110][ T25] INFO: task kworker/0:1:10 blocked for more than 143 seconds. [ 286.456118][ T25] Not tainted syzkaller #0 [ 286.456125][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.456131][ T25] task:kworker/0:1 state:D stack:26120 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 286.456169][ T25] Workqueue: events virtio_gpu_dequeue_ctrl_func [ 286.456187][ T25] Call Trace: [ 286.456192][ T25] [ 286.456199][ T25] __schedule+0x15dd/0x52d0 [ 286.456222][ T25] ? do_raw_spin_unlock+0x4d/0x210 [ 286.456233][ T25] ? __pfx___schedule+0x10/0x10 [ 286.456254][ T25] ? __pfx___schedule+0x10/0x10 [ 286.456273][ T25] ? schedule+0x90/0x360 [ 286.456289][ T25] schedule+0x164/0x360 [ 286.456305][ T25] schedule_preempt_disabled+0x13/0x30 [ 286.456321][ T25] __mutex_lock+0x7fe/0x1300 [ 286.456336][ T25] ? __mutex_lock+0x5ac/0x1300 [ 286.456350][ T25] ? drm_client_dev_hotplug+0xdc/0x4f0 [ 286.456370][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 286.456391][ T25] ? drm_sysfs_hotplug_event+0x10e/0x150 [ 286.456414][ T25] drm_client_dev_hotplug+0xdc/0x4f0 [ 286.456432][ T25] ? __pfx_virtio_gpu_cmd_get_display_info_cb+0x10/0x10 [ 286.456446][ T25] virtio_gpu_dequeue_ctrl_func+0x506/0x8c0 [ 286.456468][ T25] ? __pfx_virtio_gpu_dequeue_ctrl_func+0x10/0x10 [ 286.456490][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 286.456507][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 286.456523][ T25] process_scheduled_works+0xb6e/0x18c0 [ 286.456556][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.456574][ T25] ? assign_work+0x3d5/0x5e0 [ 286.456592][ T25] worker_thread+0xa53/0xfc0 [ 286.456622][ T25] kthread+0x388/0x470 [ 286.456639][ T25] ? __pfx_worker_thread+0x10/0x10 [ 286.456653][ T25] ? __pfx_kthread+0x10/0x10 [ 286.456665][ T25] ret_from_fork+0x51e/0xb90 [ 286.456684][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.456698][ T25] ? __switch_to+0xc7d/0x1450 [ 286.456715][ T25] ? __pfx_kthread+0x10/0x10 [ 286.456727][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.456754][ T25] [ 286.456787][ T25] INFO: task kworker/0:2:53 blocked for more than 143 seconds. [ 286.456796][ T25] Not tainted syzkaller #0 [ 286.456802][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.456809][ T25] task:kworker/0:2 state:D stack:26208 pid:53 tgid:53 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 286.456861][ T25] Workqueue: events drm_fb_helper_damage_work [ 286.456878][ T25] Call Trace: [ 286.456882][ T25] [ 286.456889][ T25] __schedule+0x15dd/0x52d0 [ 286.456919][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.456933][ T25] ? __pfx___schedule+0x10/0x10 [ 286.456957][ T25] ? schedule+0x90/0x360 [ 286.456977][ T25] schedule+0x164/0x360 [ 286.456994][ T25] virtio_gpu_queue_fenced_ctrl_buffer+0x760/0x1090 [ 286.457019][ T25] ? __pfx_virtio_gpu_queue_fenced_ctrl_buffer+0x10/0x10 [ 286.457045][ T25] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.457065][ T25] ? rcu_is_watching+0x15/0xb0 [ 286.457084][ T25] ? virtio_gpu_cmd_resource_flush+0x7c/0x330 [ 286.457105][ T25] ? __asan_memset+0x22/0x50 [ 286.457129][ T25] virtio_gpu_primary_plane_update+0xcff/0x13a0 [ 286.457148][ T25] ? __pfx___drm_dev_dbg+0x10/0x10 [ 286.457166][ T25] ? __pfx_virtio_gpu_primary_plane_update+0x10/0x10 [ 286.457189][ T25] drm_atomic_helper_commit_planes+0x60f/0xec0 [ 286.457214][ T25] drm_atomic_helper_commit_tail+0x5f/0x500 [ 286.457231][ T25] ? ktime_get+0x1d2/0x200 [ 286.457246][ T25] commit_tail+0x29a/0x3a0 [ 286.457267][ T25] drm_atomic_helper_commit+0xa6e/0xb10 [ 286.457288][ T25] ? __pfx_drm_atomic_helper_commit+0x10/0x10 [ 286.457302][ T25] drm_atomic_commit+0x246/0x2b0 [ 286.457316][ T25] ? __pfx_drm_atomic_commit+0x10/0x10 [ 286.457334][ T25] ? __pfx___drm_printfn_info+0x10/0x10 [ 286.457353][ T25] ? ww_mutex_lock+0x3f/0x1c0 [ 286.457369][ T25] ? drm_modeset_unlock+0x38/0x100 [ 286.457389][ T25] drm_atomic_helper_dirtyfb+0xdec/0xf80 [ 286.457412][ T25] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 286.457439][ T25] ? do_raw_spin_lock+0x12b/0x2f0 [ 286.457460][ T25] drm_fbdev_shmem_helper_fb_dirty+0x160/0x2d0 [ 286.457477][ T25] drm_fb_helper_damage_work+0x2b3/0x750 [ 286.457500][ T25] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 286.457517][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 286.457531][ T25] ? process_scheduled_works+0xa8d/0x18c0 [ 286.457548][ T25] process_scheduled_works+0xb6e/0x18c0 [ 286.457581][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.457601][ T25] ? assign_work+0x3d5/0x5e0 [ 286.457618][ T25] worker_thread+0xa53/0xfc0 [ 286.457651][ T25] kthread+0x388/0x470 [ 286.457664][ T25] ? __pfx_worker_thread+0x10/0x10 [ 286.457677][ T25] ? __pfx_kthread+0x10/0x10 [ 286.457689][ T25] ret_from_fork+0x51e/0xb90 [ 286.457707][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.457721][ T25] ? __switch_to+0xc7d/0x1450 [ 286.457736][ T25] ? __pfx_kthread+0x10/0x10 [ 286.457748][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.457776][ T25] [ 286.459048][ T25] [ 286.459048][ T25] Showing all locks held in the system: [ 286.459068][ T25] 9 locks held by swapper/0/1: [ 286.459079][ T25] #0: ffff888032dfb170 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x33e/0x640 [ 286.459136][ T25] #1: ffff88803520a278 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_register+0x4f/0x210 [ 286.459181][ T25] #2: ffffffff8ef5cf08 (registration_lock){+.+.}-{4:4}, at: register_framebuffer+0x8d/0x8d0 [ 286.459219][ T25] #3: ffffffff8e750960 (console_lock){+.+.}-{0:0}, at: fbcon_fb_registered+0x49/0x610 [ 286.459258][ T25] #4: ffff8880351a7280 (&helper->lock){+.+.}-{4:4}, at: drm_fb_helper_pan_display+0xbe/0xbd0 [ 286.459300][ T25] #5: ffff88803520a130 (&dev->master_mutex){+.+.}-{4:4}, at: drm_master_internal_acquire+0x20/0x80 [ 286.459340][ T25] #6: ffff8880351a7098 (&client->modeset_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_locked+0x4c/0x4d0 [ 286.459378][ T25] #7: ffffc900001aea70 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 286.459411][ T25] #8: ffffc900001aea98 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_client_modeset_commit_atomic+0x11a/0x7e0 [ 286.459449][ T25] 3 locks held by kworker/0:1/10: [ 286.459457][ T25] #0: ffff88801aca6948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 286.459499][ T25] #1: ffffc9000023fc40 ((work_completion)(&vgvq->dequeue_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 286.459538][ T25] #2: ffff88803520a278 (&dev->clientlist_mutex){+.+.}-{4:4}, at: drm_client_dev_hotplug+0xdc/0x4f0 [ 286.459578][ T25] 2 locks held by kworker/u4:1/13: [ 286.459586][ T25] #0: ffff88801ac94148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 286.459627][ T25] #1: ffffc9000026fc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 286.459668][ T25] 1 lock held by khungtaskd/25: [ 286.459677][ T25] #0: ffffffff8e75e520 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 286.459724][ T25] 5 locks held by kworker/0:2/53: [ 286.459732][ T25] #0: ffff88801aca6948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0 [ 286.459771][ T25] #1: ffffc90000affc40 ((work_completion)(&helper->damage_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0 [ 286.459808][ T25] #2: ffffc90000aff870 (crtc_ww_class_acquire){+.+.}-{0:0}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 286.459846][ T25] #3: ffffc90000aff898 (crtc_ww_class_mutex){+.+.}-{4:4}, at: drm_atomic_helper_dirtyfb+0x106/0xf80 [ 286.459884][ T25] #4: ffffffff8f061bb8 (drm_unplug_srcu){.+.+}-{0:0}, at: drm_dev_enter+0x49/0x150 [ 286.459922][ T25] [ 286.459927][ T25] ============================================= [ 286.459927][ T25] [ 286.459935][ T25] Kernel panic - not syncing: hung_task: blocked tasks [ 286.459947][ T25] CPU: 0 UID: 0 PID: 25 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.459961][ T25] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 286.459970][ T25] Call Trace: [ 286.459978][ T25] [ 286.459985][ T25] vpanic+0x56c/0xa60 [ 286.460004][ T25] ? __pfx_vprintk_emit+0x10/0x10 [ 286.460024][ T25] ? __pfx_vpanic+0x10/0x10 [ 286.460046][ T25] panic+0xc5/0xd0 [ 286.460057][ T25] ? __pfx_panic+0x10/0x10 [ 286.460078][ T25] watchdog+0x1023/0x1030 [ 286.460094][ T25] ? watchdog+0x21a/0x1030 [ 286.460109][ T25] kthread+0x388/0x470 [ 286.460123][ T25] ? __pfx_watchdog+0x10/0x10 [ 286.460142][ T25] ? __pfx_kthread+0x10/0x10 [ 286.460156][ T25] ret_from_fork+0x51e/0xb90 [ 286.460174][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 286.460187][ T25] ? __switch_to+0xc7d/0x1450 [ 286.460204][ T25] ? __pfx_kthread+0x10/0x10 [ 286.460217][ T25] ret_from_fork_asm+0x1a/0x30 [ 286.460248][ T25] [ 286.460646][ T25] Kernel Offset: disabled